2 like 0 dislike
2.5k views
There is a table named `books` with five field which are `serial` `book_name` `author` `price` and `publisher` and another table named `comment` with two field which are `serial` and `content`. The `comment`.`serial` is connect to the `books`.`serial`. Please write a php script to list all books and its comment count.
[Exercise] Essay (Open question) - asked in 2016-2 CSIEB0270 - Internet System Design and Practice by (18k points)
ID: 24996 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00

reshown by | 2.5k views
0 0
Called for Help

11 Answers

0 like 0 dislike
Hidden content!
* * ** html>
** **** *****
** * *
** * * ** ** * * *** ** ** * * ****** ***** ** * *
** ** ** ** * *** ** * * **** * **** * />
* ** *
*** * **
** ****** * * * ** * ***** **** * * *
**** ** ** * * *** * ***** ***** ** * ***** />
*** * * **
*** ** **
* ** ** ** ** **** *** *** *** * ***** * *
**** * ** * * * ** *** ** * *** ** * * * * ***** * />
** * * ***
** ** *
* * *** * * ** * * * ** * **
*** * ** * * * * * * * * ** * *** ** *** * * * ** * ** * *
* ** * **
**** *****
* ** * ** * * * ** **** ** />
* * * * ** * * * ** ** ** />
* * * *
* * **
* *** ***
* **
* * * ** *
if *** *** *** *
* * * * * *
exit();
}
?>

*** **
if * ** * *** ** ** **
echo * ** * * * * ** ** ** ***
}else{
** ** **** * ** * * * ?>
** * ** * * *** * * *
** * ** * *
* *** * ** * ** echo * * * ** ?>'s * * **** ****

***** ** ** * **** ** * ** * * * * ** * * ** ***** * * ** * *
** * **** **
* * ******
*** * * * * *** ** * * *
* *** echo * * * * ** ?>

<a * * *** * * * *** * ** * ** * ** *
**** ** * **
<div ***** * **** *******
* include 'nav.php' ?>
*** *** *
* ******
** * * * *
answered by (-233 points)
0 like 0 dislike
Hidden content!
*** *** * * *** * * * **** * ** * ** **
answered by (-32 points)
0 like 0 dislike
Hidden content!
** *** ** * * * **** * *** *** *** * *** * * **
answered by (-61 points)
0 like 0 dislike
Hidden content!
* *****
** = *** *** ******* ** FROM * ** ****
* ** = * * *


* ($row = * * ** ** * {
* * ** = ** *
****** * ** * * * ** * as * ** *** {
** *** = * ** . * ** * * . * * * * . * **** . * ** * **

}


* **** = ** * * ** * INTO **** ** * * * * *** * * *
** * .= ** ** ', **


** * *** *

}
** *
answered by (157 points)
0 like 0 dislike
Hidden content!
<!DOCTYPE html>

<html>

    <head>
* ** ** ** * ** *** ** * ****** ***** ** *** *** * 3</title>

        

    </head>

    <body>

        <?php
***** ** * * * ***** * * * * * * **** **** ** * * *** ** ** * ***** *** * **
** ****** * * ** **** * * * **** *** * ** * * *** ****** * ** * **
* * *** * ****** ** * * **** * * * * ** *** * ** * * * ***
****** *** ** * * ** **** *** ** ** * * ** **** ** * **** ****** * **** **** *

        
* * * **** * * **** ** *** ** ***** *** * * **** * * ** * * = @mysqli_connect($host,$username,$password,$db);
*** ** ****** **** * *** ** ** * ** * * ** ** **** * * * *** ****** (!$try1)
**** * * * * * ** * ** ***** *** * * * * ** *
** ** * *** ** * ** ** *** * * * * * * * ** ***** * * ** ** * ***** ** * * * * not connect: '.mysqli_error($try1));
** ** * * * * * * *** ** * **** ******* *** * ** * * ***
*** *** * ** * ** ** * ** ** ***** * * * * * *** * ** * * mysqli_select_db($con,"students");
*** ** * ** *** **** **** * ** ** * * * * * * ** * *** ** * ***** **** **** * * books.serial, books.book_name, books.author, books.price ,COUNT(coment.comment) AS COMMENTS FROM coment

LEFT JOIN books on coment.Serial=books.serial

GROUP BY serial";
*** * **** ** * * * * * * *** * ** * ** ** ** ****** * * ** * *** * **** **** **** ****

        
*** * * * ** ** ** * * * * * * ** **** ***** ** *** ** **** * * ** * ***** ** "<table>
* * *** * * * ***** * **** ** * **** *** ** ** ** * ** * * * **** * **** **** * * * *** **
****** ** * *** *** * * * *** ** * *** *** ** ***** *** ***** * * * * **** ** * *** * * ** *** * * * * ** *
** ***** ** * * ** * ** * ** *** * * ** *** * * * ** * * ****** ***** ** ** * ***** * ** * * * *** * Name</th>
* * ** * * * * *** ***** * ** * ***** ****** ** ** *** ** ** *** * ** ** ** * * * *** * * ****
*** * ** ** * ** ** *** * * * ** * ** * *** * * * * * ** **** * ** ** **** *** ** * * * * *****
***** * * **** ** * ******* * ******** ***** ** ********* ** **** * * *** * * * ** * * * ** * * *** ** ** * ** *** *
* * *** * * * ** ** ***** ** ** ** ** * * ** *** ** * ** * *** * ****** ** ******** * ** ** ** ** ** ***
**** * * * *** ** **** **** ** * ** * * * * ** ** ** * ** (!$result)
**** * ** * *** * ** *** * *** * * * *** * *** **** **
* * * **** ** ** ** * ** ** ***** ** ****** * ** ** * * * * * ** **** * **** * "Error: ".mysqli_error($con);
******** * *** * **** * ***** ** * * * *** ** ** * ** * ** * * * **** ** ** * * * * *
* *** *** *** ** * * ** * **** * * * * *** ** *** *** **** ****
****** ** * *** **** * **** ** * * * ** *** ** ** *** *** ** * ($row=mysqli_fetch_array($result))
*** **** * *** ** * ** ** * * ** * ** ** * * ** * * * ** ***
* ** * *** **** ** *** * * * ** * * ** *** *** * **** * *** * *** **** "<tr>";
* ** * ** **** * **** ** * * * ***** ** * * * * ***** * *** ** * * **** ** * * * * * * * ** ** * *** * * * ****** * * ** **** **** *
*** ** ***** * ***** ** * ***** * * * * * * * ** ** * ** ** * ** ** * * ****** ***** *** **** *** *** ** * *** *** ** **** ** ***
* * *** ******** ** * **** **** **** ** *** ** ** * * * * ** * ** * **** * ******* * * * *** *** * * * * * **** * * ** **
*** * * * ****** * * * ** ** * * * * ** ** ***** * ** * * * * * * * * * *** "<td>".$row['price']."</td>";
* * *** *** ********* ** * *** * ** * * * * * **** ** * **** **** * * ** * * *** * * * * * ** * * * *** **** *** * * *** * * *** ** **
** *** * * * * * * * * * * ****** ** **** ** ** *** * ** * ** ** ** ** * * **** * * * * * "</tr>";
*** *** * * *** * ** * *** ** ** * *** ** ** * ***** * ** *** *
** ********* **** * ** ***** **** ** ** *** * * ** ** * * * * **** * *** **** "</table>";
* ****** * ***** *** ** ** * * * * * * * * * * * * *** *** **** ** * ** ** ($con);

    </body>



</html>
answered by (30 points)
0 like 0 dislike
Hidden content!
<!DOCTYPE html>

<html>

    <head>
* * * * * ** * * * * * * * ** * ** * ** #3</title>

        

    </head>

    <body>

        <?php
* *** *** * *** ** * * * * * * ******** **** * ** * * ** **** ** * ** ** **** **
* * *** *** * **** ** * *** * **** *** * ** * ** ** * ** ** * *** ** * *
** * ** ** *** ** * *** ***** *** *** ** * ****** * ** *** * * * ** ***** **** *
***** * * * * * **** * * ** * ** ** * * *** ** * ***** ****

        
** ***** * ** * ** * * * * * * * *** *** * * **** *** * * * **** * = @mysqli_connect($host,$username,$password,$db);
** ** ** ** * ***** * * *** * * * * * * * **** *** * * *** ** (!$con)
*** *** ** ****** ** * * * *** * * ******* * * ** ** * * ****** ***
** * * ** * * ***** * ** **** ***** ** * ***** *** * * ***** ** ** * * * ****** ** * **** not connect: '.mysqli_error($con));
** ** ** * *** * * * ** ** * * ** * ** * * *** ** *******
* * * * ** ** * * ** * ** ** * ** * **** * ** ** * * ** * * *** * ** books.serial, books.book_name, books.author, books.price ,COUNT(coment.comment) AS COMMENTS FROM coment

LEFT JOIN books on coment.Serial=books.serial

GROUP BY serial";
** * *** ** *** *** *** **** **** ** ** ** ** *** ** * *** ** * **** * **** *

        
* * **** *** **** *** ** * ** * **** *** * **** ** **** * * ** "<table>
** ****** * ** * ** * ******* **** * * * * * ***** ** * * * ** ** ** * ** * * * * **
** *** *** * * *** ** ** * ** ****** * * *** * ****** *** **** * *** * ** * * * * *** ** ** **** *** * ***
**** ** ** * *** * * * **** *** ** * ** *** * * * * * **** ** * ** **** * ** **** ** * *** * * Name</th>
* ** **** * ** *** * * *** * ***** *** * * * ** * ** * * * *** * ******* ** ** ********* * *** *** * * *
** **** * * *** ****** * ** * ***** * * *** * * * * *** ** * ** *** ** ** * * * *** *** * ** * *
** * * * * * * * *** * * * * * ***** * * ** * ** **** ** * * *** ***** **** * ** * * ** *** ***** *** * * * ** ***
* *** * * * * *** ** ** * * ***** * ** ** ** * * * ** ****** * * * *** ** * * * *** * *
* ** * * * *** * * *** * * * ***** ** * * * ** * * * ***** (!$result)
*** * ****** * ** ** * ** * * *** * ***** *** * * ** * **
** * * * * * * * * * ** * ******* * * *** *** ** * * * * ** * * * * * * *** ** ** * "Error: ".mysqli_error($con);
* ** ** *** *** ** ** * * * *** * * * * * * **** * * ** * * * * ** *** *** ** * *
* **** * * ** *** * * * ** * * * *** ** *** *
*** * *** ** *** * ******** * ** ** **** * * * * * *** *** * * * ($row=mysqli_fetch_array($result))
* * *** * * * * * ** * ******** ** ** * * * ***
* * * ** ** *** * ** * ****** ** * *** ** *** ** * ** ** * ** * *** *** ** * ***** * ** "<tr>";
* ** **** ** * ** * * * * *** ****** ** ** * * ** * * * ** * * *** ** * * ** * * ** *** ** * * * * ** ** **** * ** * * ** *** *
** ** ** * **** * * * * * ** * * * * * * * ** **** * ****** *** * * * ** * * * * * * * * * * * * ******* * * ** ***** * **
* ******** * * * * * *** * ** **** * **** * ***** *** *** ** * * ** ** * * ** * * **** * * * *** * * ** ** * ** * **** *** *** ***
* ***** * * ** *** ** *** * * *** * * ** * * * *** * ** * *** * "<td>".$row['price']."</td>";
** ****** **** * * *** *** * * ** ** ** * * * * * * * *** ***** * ** * * * ** * * * * ** * * **** * * * ** ** * * * * ** **
* **** * * ** **** * ** *** * * ** *** * * **** * * * *** *** * ** ** * ** "</tr>";
**** ** **** ***** * *** * * * *** * ** * ** ** * * * **
* ***** * * * *** *** * * ** ***** ** * * * ** * ** * * "</table>";
* *** ** * ****** ** ******* * * ** * * * **** * * * * ****** * ** ** **** ($con);

    </body>



</html>
answered by (-168 points)
0 like 0 dislike
Hidden content!
* *** ** * * * ** * * * ******* ** ***
answered by (-335 points)
0 like 0 dislike
Hidden content!
* ********** *** ** * * ** ** * ****** * *** ** *
answered by (-144 points)
0 like 0 dislike
Hidden content!
* ** ** ** *** * ** * * * *** ** ** * * * **
answered by (16 points)
0 like 0 dislike
Hidden content!
* * * *
** = * ** **** * * ** **** * * * **
* = ***** ****
* ** *** = **** *** ** {
** ** = * **
* **** * ***** * * as ** * {
*** ** = * * ** . ** *** * * * . ** ***** . *** . * **
}

* ** = * * * ** ** * **** * * * * ** ** *
* ** * ** * * * * *

* ** * **
}
* *
answered by (-434 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.59.97
©2016-2025

Related questions

1 like 0 dislike
14 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24998 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 2.7k views
3 like 0 dislike
23 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 3.5k views
3 like 0 dislike
20 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24995 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 2.9k views
3 like 0 dislike
23 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24994 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 3.5k views
2 like 0 dislike
24 answers
[Exercise] Essay (Open question) - asked May 17, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24646 - Available when: 2017-05-18 09:30:00 - Due to: 2017-05-18 12:00:00
| 3.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users